25081340

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{419}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 54825120

約数和(自身を除く): 29743780

約数列:

[1, 2, 4, 5, 10, 20, 41, 73, 82, 146, 164, 205, 292, 365, 410, 419, 730, 820, 838, 1460, 1676, 2095, 2993, 4190, 5986, 8380, 11972, 14965, 17179, 29930, 30587, 34358, 59860, 61174, 68716, 85895, 122348, 152935, 171790, 305870, 343580, 611740, 1254067, 2508134, 5016268, 6270335, 12540670, 25081340]

約数ペア:

[(1, 25081340), (2, 12540670), (4, 6270335), (5, 5016268), (10, 2508134), (20, 1254067), (41, 611740), (73, 343580), (82, 305870), (146, 171790), (164, 152935), (205, 122348), (292, 85895), (365, 68716), (410, 61174), (419, 59860), (730, 34358), (820, 30587), (838, 29930), (1460, 17179), (1676, 14965), (2095, 11972), (2993, 8380), (4190, 5986)]